CA3073412C - Systeme et procede de suppression de l'echo acoustique - Google Patents

Systeme et procede de suppression de l'echo acoustique Download PDF

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Publication number
CA3073412C
CA3073412C CA3073412A CA3073412A CA3073412C CA 3073412 C CA3073412 C CA 3073412C CA 3073412 A CA3073412 A CA 3073412A CA 3073412 A CA3073412 A CA 3073412A CA 3073412 C CA3073412 C CA 3073412C
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Canada
Prior art keywords
echo
signal
audio signal
speech
source
Prior art date
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Active
Application number
CA3073412A
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English (en)
Other versions
CA3073412A1 (fr
Inventor
Felix Immanuel Wyss
Rivarol VERGIN
Ananth Nagaraja Lyer
Aravind GANAPATHIRAJU
Kevin Charles Vlack
Srinath Cheluvaraja
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Interactive Intelligence Inc
Original Assignee
Cheluvaraja Srinath
Interactive Intelligence Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cheluvaraja Srinath, Interactive Intelligence Inc filed Critical Cheluvaraja Srinath
Publication of CA3073412A1 publication Critical patent/CA3073412A1/fr
Application granted granted Critical
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers
    • H04B3/234—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers using double talk detection
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H04M9/082—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using echo cancellers
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L2021/02082—Noise filtering the noise being echo, reverberation of the speech

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Quality & Reliability (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephone Function (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Telephonic Communication Services (AREA)

Abstract

Il est décrit un système et une méthode pour une annulation décho acoustique. Lannuleur décho réduit les échos acoustiques et hybrides qui peuvent survenir dans une situation telle que, par exemple, les appels conférences interurbains avec plusieurs haut-parleurs dans divers environnements. Lannulation décho, dans au moins un mode de réalisation, peut être basée sur une mesure de similitude, une détermination statistique des paramètres dannulation de lécho à partir de valeurs historiques, un fonctionnement du domaine fréquentiel, une détection de double parole, une détection de perte de paquets, une détection de signal et une soustraction de bruit.
CA3073412A 2012-10-23 2013-10-22 Systeme et procede de suppression de l'echo acoustique Active CA3073412C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261717156P 2012-10-23 2012-10-23
US61/717,156 2012-10-23
CA2888894A CA2888894C (fr) 2012-10-23 2013-10-22 Systeme et procede de suppression de l'echo acoustique

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA2888894A Division CA2888894C (fr) 2012-10-23 2013-10-22 Systeme et procede de suppression de l'echo acoustique

Publications (2)

Publication Number Publication Date
CA3073412A1 CA3073412A1 (fr) 2014-05-01
CA3073412C true CA3073412C (fr) 2022-05-24

Family

ID=50485330

Family Applications (2)

Application Number Title Priority Date Filing Date
CA2888894A Active CA2888894C (fr) 2012-10-23 2013-10-22 Systeme et procede de suppression de l'echo acoustique
CA3073412A Active CA3073412C (fr) 2012-10-23 2013-10-22 Systeme et procede de suppression de l'echo acoustique

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA2888894A Active CA2888894C (fr) 2012-10-23 2013-10-22 Systeme et procede de suppression de l'echo acoustique

Country Status (9)

Country Link
US (1) US9628141B2 (fr)
EP (1) EP2912833B1 (fr)
JP (1) JP6291501B2 (fr)
AU (3) AU2013334829B2 (fr)
BR (1) BR112015007306B1 (fr)
CA (2) CA2888894C (fr)
CL (1) CL2015001037A1 (fr)
NZ (1) NZ706162A (fr)
WO (1) WO2014066367A1 (fr)

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US9420114B2 (en) * 2013-08-06 2016-08-16 Telefonaktiebolaget Lm Ericsson (Publ) Echo canceller for VOIP networks
US9270830B2 (en) 2013-08-06 2016-02-23 Telefonaktiebolaget L M Ericsson (Publ) Echo canceller for VOIP networks
US9100090B2 (en) * 2013-12-20 2015-08-04 Csr Technology Inc. Acoustic echo cancellation (AEC) for a close-coupled speaker and microphone system
US10033511B2 (en) 2014-10-29 2018-07-24 FreeWave Technologies, Inc. Synchronization of co-located radios in a dynamic time division duplex system for interference mitigation
US9787354B2 (en) * 2014-10-29 2017-10-10 FreeWave Technologies, Inc. Pre-distortion of receive signal for interference mitigation in broadband transceivers
US10149263B2 (en) 2014-10-29 2018-12-04 FreeWave Technologies, Inc. Techniques for transmitting/receiving portions of received signal to identify preamble portion and to determine signal-distorting characteristics
US9819446B2 (en) 2014-10-29 2017-11-14 FreeWave Technologies, Inc. Dynamic and flexible channel selection in a wireless communication system
JP6279172B2 (ja) * 2015-11-16 2018-02-14 三菱電機株式会社 エコーキャンセラ装置及び通話装置
US10225395B2 (en) * 2015-12-09 2019-03-05 Whatsapp Inc. Techniques to dynamically engage echo cancellation
KR101842777B1 (ko) * 2016-07-26 2018-03-27 라인 가부시키가이샤 음질 개선 방법 및 시스템
DE102016119471A1 (de) * 2016-10-12 2018-04-12 Deutsche Telekom Ag Verfahren und Vorrichtungen zur Echoreduzierung und zur Funktionsprüfung von Echokompensatoren
US20200045166A1 (en) * 2017-03-08 2020-02-06 Mitsubishi Electric Corporation Acoustic signal processing device, acoustic signal processing method, and hands-free communication device
CN109215672B (zh) * 2017-07-05 2021-11-16 苏州谦问万答吧教育科技有限公司 一种声音信息的处理方法、装置及设备
JP6977772B2 (ja) * 2017-07-07 2021-12-08 ヤマハ株式会社 音声処理方法、音声処理装置、ヘッドセット、および、遠隔会話システム
CN108198551A (zh) * 2018-01-15 2018-06-22 深圳前海黑鲸科技有限公司 回声消除延时的处理方法及装置
KR20200033617A (ko) 2018-09-20 2020-03-30 현대자동차주식회사 차량용 음성 인식 장치 및 그 제어 방법
CN110687523B (zh) * 2019-08-29 2023-07-11 中国科学技术大学 一种障碍物检测系统、方法及存储介质
CN114303188A (zh) * 2019-08-30 2022-04-08 杜比实验室特许公司 针对机器感知预调节音频
CN111402868B (zh) * 2020-03-17 2023-10-24 阿波罗智联(北京)科技有限公司 语音识别方法、装置、电子设备及计算机可读存储介质
US11122160B1 (en) * 2020-07-08 2021-09-14 Lenovo (Singapore) Pte. Ltd. Detecting and correcting audio echo
CN111933166B (zh) * 2020-07-31 2024-01-26 广州视源电子科技股份有限公司 回声抑制方法、装置、存储介质和电子设备
CN113724722B (zh) * 2021-08-18 2023-12-26 杭州网易智企科技有限公司 回声延迟估计方法、装置、存储介质和计算设备
CN114650340B (zh) 2022-04-21 2024-07-02 深圳市中科蓝讯科技股份有限公司 一种回声消除方法、装置及电子设备

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Also Published As

Publication number Publication date
AU2013334829A1 (en) 2015-04-09
AU2013334829B2 (en) 2017-06-15
JP6291501B2 (ja) 2018-03-14
AU2017203053A1 (en) 2017-06-01
CA3073412A1 (fr) 2014-05-01
EP2912833B1 (fr) 2017-06-21
CL2015001037A1 (es) 2015-08-21
CA2888894C (fr) 2021-08-17
CA2888894A1 (fr) 2014-05-01
AU2017245314A1 (en) 2017-11-02
EP2912833A1 (fr) 2015-09-02
WO2014066367A8 (fr) 2014-07-31
BR112015007306A2 (pt) 2020-04-22
BR112015007306B1 (pt) 2022-10-18
US20140112467A1 (en) 2014-04-24
EP2912833A4 (fr) 2016-06-22
JP2016502779A (ja) 2016-01-28
AU2017245314B2 (en) 2019-04-11
AU2017203053B2 (en) 2017-07-13
US9628141B2 (en) 2017-04-18
WO2014066367A1 (fr) 2014-05-01
NZ706162A (en) 2018-07-27

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